diff --git a/plotly/tools.py b/plotly/tools.py
index f7342c6447a..d9c8087d589 100644
--- a/plotly/tools.py
+++ b/plotly/tools.py
@@ -3352,9 +3352,9 @@ def _trisurf(x, y, z, simplices, show_colorbar, edges_color,
             colorscale = FigureFactory._convert_colorscale_to_rgb(colorscale)
 
             colorbar = graph_objs.Scatter3d(
-                x=x[0],
-                y=y[0],
-                z=z[0],
+                x=x[0:1],
+                y=y[0:1],
+                z=z[0:1],
                 mode='markers',
                 marker=dict(
                     size=0.1,